Polytechnic Institutes are technological universities many dating back to the mid 19th century. A handful of American universities include the phrases Institute of Technology, Polytechnic Institute, Polytechnic University, University of Technology or similar phrasing in their names; these are generally research-intensive universities with a focus on Science, Technology, Engineering, and Mathematics.
In the lists below, an asterisk denotes research-intensive universities that offer up to PhD or DSc degrees.